# Quantum chemistry/Related Articles

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*See also changes related to Quantum chemistry, or pages that link to Quantum chemistry or to this page or whose text contains "Quantum chemistry".*

## Parent topics

- Chemistry [r]: The science of matter, or of the electrical or electrostatical interactions of matter.
^{[e]} - Physics [r]: The study of forces and energies in space and time.
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## Subtopics

- Quantum mechanics [r]: An important branch of physics dealing with the behavior of matter and energy at very small scales.
^{[e]} - Physical chemistry [r]: The application of physics to macroscopic, microscopic, atomic, subatomic, and particulate phenomena in chemical systems within the field of chemistry traditionally using the principles, practices and concepts of thermodynamics, quantum chemistry, statistical mechanics and kinetics.
^{[e]} - Theoretical chemistry [r]: The description of atoms, molecules and reactions in mathematical form.
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- Atomic orbital [r]: Function in quantum mechanics describing the motion of an electron around the nucleus of an atom.
^{[e]} - Born-Oppenheimer approximation [r]: A technique in quantum mechanics in which the kinetic energies of nuclei and electrons are calculated separately.
^{[e]} - Boson [r]: elementary particle with integral spin; composite system consisting of an even number of fermions.
^{[e]} - Electron orbital [r]: Quantum mechanical quadratically integrable one-electron function (function of the coordinates of one electron)
^{[e]} - Electron [r]: Elementary particle that carries a negative elementary charge −e and has mass 9.109 382 91 × 10
^{−31}kg.^{[e]} - Gaussian type orbitals [r]: Functions used as atomic orbitals in the LCAO method for the computation of electron orbitals in molecules.
^{[e]} - Molecular Hamiltonian [r]: Quantum mechanical operator describing the energy associated with motions and interactions of the electrons and nuclei that constitute a molecule.
^{[e]} - Molecular orbital theory [r]: Deals with definition and computation of molecular orbitals.
^{[e]} - Molecular orbital [r]: A function in quantum mechanics describing the motion of an electron in a molecule.
^{[e]} - Moller-Plesset [r]: A quantumchemical post-Hartree-Fock method for the calculation of electronic correlation energies.
^{[e]} - Schrödinger equation [r]: A differential equation of quantum mechanics, describing the spatial and temporal behavior of wave functions.
^{[e]} - Slater determinant [r]: A form for the wavefunction of a multi-fermionic system that satisfies anti-symmetry requirements, and consequently the Pauli exclusion principle, by changing sign upon exchange of fermions.
^{[e]} - Slater orbital [r]: Functions used as atomic orbitals in the linear combination of atomic orbitals molecular orbital method.
^{[e]} - Theoretical chemistry [r]: The description of atoms, molecules and reactions in mathematical form.
^{[e]} - Wave-particle duality [r]: The concept that all matter and energy exhibits both wave-like and particle-like properties.
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- Intermolecular forces [r]: Non-covalent forces between atoms and molecules; often synonymous with Van der Waals forces.
^{[e]} - Hydrogen-like atom [r]: An atom, excluding hydrogen itself, with only one electron, having charge +(Z-1), where Z = atomic number.
^{[e]} - Slater orbital [r]: Functions used as atomic orbitals in the linear combination of atomic orbitals molecular orbital method.
^{[e]} - Molecular orbital [r]: A function in quantum mechanics describing the motion of an electron in a molecule.
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